hide.java

Java例程

//: Hide.java
// Overloading a base-class method name
// in a derived class does not hide the
// base-class versions

class Homer {
	char doh(char c) {
		System.out.println("doh(char)");
		return 'd';
	}
	float doh(float f) {
		System.out.println("doh(float)");
		return 1.0f;
	}
}

class Milhouse {}

class Bart extends Homer {
	void doh(Milhouse m) {}
}

class hide {
	public static void main(String[] args) {
		Bart b = new Bart();
		b.doh(1);
		b.doh('x');
		b.doh(1.0f);
		b.doh(new Milhouse());
	}
}